Finding the Fourth Proportional to 352,442.91, 486,358.18 and 191,294.54
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Solution
The fourth proportional to 352,442.91, 486,358.18 and 191,294.54 is: 263,979.38
Step by Step Solution
- Step 1: Write the proportion equation
352,442.91 : 486,358.18 = 191,294.54 : x - Step 2: Convert to fraction form
352,442.91/486,358.18 = 191,294.54/x - Step 3: Cross multiply
352,442.91x = 486,358.18 × 191,294.54 - Step 4: Simplify right side
352,442.91x = 93,037,661,408.31 - Step 5: Solve for x
x = 93,037,661,408.31/352,442.91 - Step 6: Final answer
x = 263,979.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.